Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5894085 | Device for determining the purity of a metal alloy | Michel Richard | 1999-04-13 |
| 5236660 | Heat-resistant vermicular or spheroidal graphite cast iron | Alain Reynaud | 1993-08-17 |